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No support for sampling on 32-bit windows.

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Note that 32-bit applications running on 64-bit windows will perform
sampling.
This commit is contained in:
Bartosz Taudul 2020-02-22 14:16:04 +01:00
parent 23fe3e623d
commit baf8e6fe80
1 changed files with 28 additions and 12 deletions
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18
client/TracySysTrace.cpp
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@ -160,6 +160,14 @@ bool SysTraceStart()
{
s_pid = GetCurrentProcessId();
#if defined _WIN64
constexpr bool isOs64Bit = true;
#else
BOOL _iswow64;
IsWow64Process( GetCurrentProcess(), &_iswow64 );
const bool isOs64Bit = _iswow64;
#endif
TOKEN_PRIVILEGES priv = {};
priv.PrivilegeCount = 1;
priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
@ -173,15 +181,20 @@ bool SysTraceStart()
const auto status = GetLastError();
if( status != ERROR_SUCCESS ) return false;
if( isOs64Bit )
{
TRACE_PROFILE_INTERVAL interval = {};
interval.Interval = 10000;
const auto intervalStatus = TraceSetInformation( 0, TraceSampledProfileIntervalInfo, &interval, sizeof( interval ) );
if( intervalStatus != ERROR_SUCCESS ) return false;
}
const auto psz = sizeof( EVENT_TRACE_PROPERTIES ) + sizeof( KERNEL_LOGGER_NAME );
s_prop = (EVENT_TRACE_PROPERTIES*)tracy_malloc( psz );
memset( s_prop, 0, sizeof( EVENT_TRACE_PROPERTIES ) );
s_prop->EnableFlags = EVENT_TRACE_FLAG_CSWITCH | EVENT_TRACE_FLAG_DISPATCHER | EVENT_TRACE_FLAG_THREAD | EVENT_TRACE_FLAG_PROFILE;
ULONG flags = EVENT_TRACE_FLAG_CSWITCH | EVENT_TRACE_FLAG_DISPATCHER | EVENT_TRACE_FLAG_THREAD;
if( isOs64Bit ) flags |= EVENT_TRACE_FLAG_PROFILE;
s_prop->EnableFlags = flags;
s_prop->LogFileMode = EVENT_TRACE_REAL_TIME_MODE;
s_prop->Wnode.BufferSize = psz;
s_prop->Wnode.Flags = WNODE_FLAG_TRACED_GUID;
@ -210,6 +223,8 @@ bool SysTraceStart()
return false;
}
if( isOs64Bit )
{
CLASSIC_EVENT_ID stackId;
stackId.EventGuid = PerfInfoGuid;
stackId.Type = 46;
@ -219,6 +234,7 @@ bool SysTraceStart()
tracy_free( s_prop );
return false;
}
}
#ifdef UNICODE
WCHAR KernelLoggerName[sizeof( KERNEL_LOGGER_NAME )];